Do not tree-shake arguments that contain a spread element

[lukastaegert]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:
Resolves #3652

Description

Disabling argument tree-shaking if a spread element is passed seems prudent as it is hard to associate arguments with variables in such a case, otherwise the logic would grow really convoluted.

[rollup-bot]

Thank you for your contribution! ❤️

You can try out this pull request locally by installing Rollup via

npm install rollup/rollup#gh-3652-treeshaken-spread-elements

or load it into the REPL:
https://rollupjs.org/repl/?circleci=12149

[codecov]

Codecov Report

Merging #3654 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #3654   +/-   ##
=======================================
  Coverage   96.70%   96.70%           
=======================================
  Files         183      183           
  Lines        6282     6287    +5     
  Branches     1831     1832    +1     
=======================================
+ Hits         6075     6080    +5     
  Misses        105      105           
  Partials      102      102           

Impacted Files	Coverage Δ
src/ast/scopes/ParameterScope.ts	100.00% <100.00%> (ø)

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